Summary: This patch is an implementation of sema and parsing for the OpenMP composite pragma 'distribute parallel for simd'.

Differential Revision: http://reviews.llvm.org/D21977



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@274530 91177308-0d34-0410-b5e6-96231b3b80d8